Distance from Iona, Idaho to Portneuf, Idaho
The driving distance from Iona, Idaho to Portneuf, Idaho is 65.8 mi (105.8 km)
The straight-line (air) distance is approximately 34.2 mi (55 km)
Estimated travel time by road is 1 hour 1 minute
We found 2 routes between Iona and Portneuf.
Available Routes
Route Directions
Get on I-15 S/US-20 W in Idaho Falls from E 49th N
Follow I-15 S to S 5th Ave/W Old Hwy 91 in Bannock County. Take exit 63 from I-15 S
Drive to N Fort Hall Mine Rd/W Portneuf Rd
Route Directions
Get on I-15 S/US-20 W in Idaho Falls from E Iona Rd
Follow I-15 S to S 5th Ave/W Old Hwy 91 in Bannock County. Take exit 63 from I-15 S
Drive to N Fort Hall Mine Rd/W Portneuf Rd
Journey Details
Traveling from Iona, Idaho to Portneuf, Idaho covers 64.1 miles (103 km) in a southwest direction. This highway, substantial route typically takes 1 hour under normal conditions.
Drivers have 2 route options between these locations (64-66 miles / 103-106 km). The primary route shown here saves 34 seconds compared to alternatives.
Journey Waypoints
Iona
Starting Point
Portneuf
Destination